*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#070d1f;--bg2:#0a122e;--card:#0e1a3a;--card2:#142250;--line:rgba(255,255,255,.08);--txt:#eaf0ff;--muted:#9fb0dd;--c1:#4f7cff;--c2:#00d4ff;--grad:linear-gradient(120deg,#4f7cff,#00d4ff);--ok:#2ee6a8;--warn:#ffb84d;--bad:#ff5c7a;--r:16px;--nav-h:68px}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);line-height:1.75;overflow-x:hidden;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-size:15px;font-weight:700;border-radius:12px;padding:13px 28px;transition:transform .25s,box-shadow .25s,background .25s;line-height:1.4}
.btn:active{transform:scale(.97)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(79,124,255,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,212,255,.42)}
.btn-ghost{background:rgba(255,255,255,.08);color:#eaf0ff;border:1px solid var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.15)}
.btn-lg{padding:16px 36px;font-size:16px;border-radius:14px}
.nav-wrap{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(7,13,31,.68);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .3s,box-shadow .3s}
.nav-wrap.scrolled{background:rgba(7,13,31,.94);box-shadow:0 10px 30px rgba(0,0,0,.4)}
.nav{max-width:1180px;margin:0 auto;padding:0 20px;height:var(--nav-h);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff;flex:none}
.brand img{width:38px;height:38px;border-radius:10px}
.brand-sub{display:block;font-size:11px;font-weight:600;color:var(--c2);letter-spacing:1px;line-height:1.1}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu>li{position:relative}
.nav-menu>li>a,.dd-label{display:flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;color:#d7e1ff;font-size:15px;cursor:pointer;user-select:none;transition:background .25s,color .25s}
.nav-menu>li>a:hover,.dd-label:hover,.dd-toggle:checked~.dd-label{background:rgba(255,255,255,.09);color:#fff}
.dd-toggle,.nav-toggle{position:absolute;opacity:0;pointer-events:none}
.dd-arr{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .3s;margin-top:-4px;flex:none}
.dd:hover>.dd-label .dd-arr,.dd-toggle:checked~.dd-label .dd-arr{transform:rotate(225deg);margin-top:4px}
.dd-menu{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px) scale(.96);min-width:196px;background:#fff;border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.45);padding:10px;opacity:0;visibility:hidden;transition:.28s;z-index:60}
.dd:hover>.dd-menu,.dd-toggle:checked~.dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0) scale(1)}
.dd-menu a{display:block;padding:9px 14px;border-radius:9px;color:#1c2c5e;font-size:14px;transition:.2s}
.dd-menu a:hover{background:#eef4ff;color:var(--c1)}
.nav-cta .btn{padding:11px 24px}
.nav-burger{display:none;flex-direction:column;gap:5px;margin-left:auto;cursor:pointer;padding:10px}
.nav-burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.nav-toggle:checked~.nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle:checked~.nav-burger span:nth-child(2){opacity:0}
.nav-toggle:checked~.nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{position:relative;padding:calc(var(--nav-h) + 66px) 0 84px;overflow:hidden;background:radial-gradient(900px 520px at 86% -12%,rgba(0,212,255,.15),transparent 60%),radial-gradient(820px 520px at 8% 18%,rgba(79,124,255,.2),transparent 62%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:46px 46px;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.32);color:#9feaff;font-size:13px;font-weight:600}
.hero-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}
.hero h1{font-size:46px;line-height:1.25;margin:20px 0 18px;letter-spacing:.5px}
.hero .lead{color:var(--muted);font-size:17px;max-width:540px}
.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:flex;gap:0;margin-top:42px;flex-wrap:wrap}
.stat{padding:0 32px}
.stat:first-child{padding-left:0}
.stat+.stat{border-left:1px solid var(--line)}
.stat b{font-size:30px;font-weight:800;display:block;line-height:1.2}
.stat b em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{color:var(--muted);font-size:13px}
.demo-wrap{position:relative}
.demo-window{background:linear-gradient(165deg,#101c40,#0a1229);border:1px solid rgba(255,255,255,.12);border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.5);overflow:hidden;max-width:480px;margin:0 auto}
.demo-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.04)}
.demo-dots{display:flex;gap:6px}
.demo-dots i{width:10px;height:10px;border-radius:50%;display:block}
.demo-dots i:nth-child(1){background:#ff5c5c}
.demo-dots i:nth-child(2){background:#ffb84d}
.demo-dots i:nth-child(3){background:#2ee6a8}
.demo-title{flex:1;text-align:center;font-size:13px;color:#b9c6ee;display:flex;align-items:center;justify-content:center;gap:6px}
.demo-title img{width:16px;height:16px;border-radius:4px}
.demo-min{margin-left:auto;color:#5c6c9c;font-size:14px;width:24px;text-align:center}
.demo-body{padding:22px}
.demo-toggle{position:absolute;opacity:0;pointer-events:none}
.gauge{position:relative;width:170px;height:170px;border-radius:50%;background:conic-gradient(#2ee6a8 0 281deg,rgba(255,255,255,.1) 281deg 360deg);display:grid;place-items:center;margin:0 auto 8px;transition:box-shadow .4s}
.gauge::before{content:"";position:absolute;inset:12px;border-radius:50%;background:#0d1734}
.gauge::after{content:"";position:absolute;inset:-1px;border-radius:50%;border:1px solid rgba(46,230,168,.35)}
.gauge-val{position:relative;z-index:1;font-size:36px;font-weight:800;color:#fff;line-height:1.1;text-align:center}
.gauge-val em{display:block;font-style:normal;font-size:12px;color:var(--ok);font-weight:600;letter-spacing:1px}
.gauge-needle{position:absolute;left:50%;top:50%;width:3px;height:58px;background:linear-gradient(#fff,#2ee6a8);transform-origin:bottom center;transform:translate(-50%,-100%) rotate(-58deg);border-radius:2px;z-index:2}
.demo-toggle:checked~.gauge{box-shadow:0 0 42px rgba(46,230,168,.35)}
.demo-toggle:checked~.gauge .gauge-needle{animation:sweep 2.8s ease-in-out infinite alternate}
.demo-toggle:checked~.gauge .gauge-val em{color:#fff}
@keyframes sweep{from{transform:translate(-50%,-100%) rotate(-58deg)}to{transform:translate(-50%,-100%) rotate(-6deg)}}
.demo-metrics{display:flex;gap:10px;margin:16px 0}
.dm{flex:1;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;padding:10px 6px;text-align:center}
.dm span{font-size:12px;color:var(--muted);display:block}
.dm b{font-size:18px;color:#fff}
.dm em{font-style:normal;font-size:11px;color:var(--c2)}
.demo-btn{display:block;text-align:center;background:var(--grad);color:#fff;font-weight:700;font-size:16px;border-radius:12px;padding:14px;cursor:pointer;transition:.25s;user-select:none;box-shadow:0 8px 24px rgba(79,124,255,.35)}
.demo-btn:active{transform:scale(.98)}
.demo-btn .b-disc{display:none}
.demo-toggle:checked~.demo-btn{background:linear-gradient(120deg,#ff5c7a,#ff8a5c);box-shadow:0 8px 24px rgba(255,92,122,.3)}
.demo-toggle:checked~.demo-btn .b-conn{display:none}
.demo-toggle:checked~.demo-btn .b-disc{display:inline}
.demo-state{text-align:center;font-size:12px;color:var(--muted);margin-top:12px}
.demo-state .s-on{display:none}
.demo-toggle:checked~.demo-state .s-off{display:none}
.demo-toggle:checked~.demo-state .s-on{display:inline;color:var(--ok)}
.demo-nodes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.node{position:relative;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;padding:10px 12px;cursor:pointer;font-size:13px;transition:.2s}
.node input{position:absolute;opacity:0;pointer-events:none}
.ndot{width:9px;height:9px;border-radius:50%;background:#5c6c9c;flex:none}
.node .nname{color:#d7e1ff}
.node .nms{margin-left:auto;color:var(--ok);font-weight:700;font-size:12px}
.nframe{position:absolute;inset:-1px;border-radius:13px;border:2px solid var(--c2);display:none;pointer-events:none}
.node input:checked~.nframe{display:block}
.node input:checked~.ndot{background:var(--ok);box-shadow:0 0 8px var(--ok)}
.demo-switches{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line)}
.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:#b9c6ee;user-select:none}
.switch input{position:absolute;opacity:0;pointer-events:none}
.sw-track{width:36px;height:20px;border-radius:999px;background:rgba(255,255,255,.14);position:relative;transition:.25s;flex:none}
.sw-track::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:.25s}
.switch input:checked+.sw-track{background:var(--grad)}
.switch input:checked+.sw-track::after{left:18px}
.sec{padding:84px 0;position:relative}
.sec-dim{background:rgba(14,26,58,.38);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{text-align:center;max-width:700px;margin:0 auto 52px}
.kicker{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(79,124,255,.12);border:1px solid rgba(79,124,255,.35);color:#9db9ff;font-size:12px;font-weight:700;letter-spacing:2px}
.sec-title{font-size:34px;line-height:1.3;margin:14px 0 10px}
.sec-sub{color:var(--muted);font-size:15px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .3s,border-color .3s,box-shadow .3s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-6px);border-color:rgba(79,124,255,.55);box-shadow:0 18px 44px rgba(0,0,0,.42)}
.ico{width:52px;height:52px;border-radius:14px;background:var(--grad);display:grid;place-items:center;font-size:24px;margin-bottom:16px;box-shadow:0 8px 20px rgba(79,124,255,.3)}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px}
.card .tag{display:inline-block;margin-top:12px;font-size:12px;color:#9db9ff;background:rgba(79,124,255,.1);padding:3px 10px;border-radius:999px}
.nodes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.node-card{background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.node-card .r-name{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800}
.node-card .r-num{font-size:34px;font-weight:800;margin:14px 0 4px}
.node-card .r-num em{font-style:normal;font-size:14px;color:var(--c2);font-weight:700}
.node-card .r-cities{color:var(--muted);font-size:13px}
.speed-panel{max-width:860px;margin:0 auto;background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:20px;padding:40px}
.bar-row{margin-bottom:22px}
.bar-row:last-child{margin-bottom:0}
.bar-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.bar-top b{font-size:17px}
.bar-top span{color:var(--muted);font-size:13px}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:var(--grad);width:var(--w);position:relative;transition:width 1s ease}
.bar-fill::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;counter-reset:st}
.step{position:relative;background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);padding:34px 26px 28px;text-align:center}
.step .s-num{width:54px;height:54px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-size:22px;font-weight:800;margin:0 auto 18px;box-shadow:0 10px 26px rgba(79,124,255,.4)}
.step h3{font-size:18px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px}
.price{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;max-width:1040px;margin:0 auto}
.p-card{position:relative;background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:20px;padding:34px 28px;display:flex;flex-direction:column}
.p-card.hot{border:2px solid transparent;background:linear-gradient(#0f1a3a,#0f1a3a) padding-box,var(--grad) border-box;box-shadow:0 24px 60px rgba(79,124,255,.3);transform:translateY(-10px)}
.p-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;font-size:12px;font-weight:800;padding:5px 18px;border-radius:999px;letter-spacing:1px}
.p-card h3{font-size:19px}
.p-desc{color:var(--muted);font-size:13px;margin:6px 0 20px}
.p-price b{font-size:40px;font-weight:800}
.p-price b em{font-style:normal;font-size:15px;color:var(--muted);font-weight:600}
.p-price .p-orig{display:block;color:#5c6c9c;font-size:13px;text-decoration:line-through;margin-top:2px}
.p-list{margin:24px 0 30px;flex:1}
.p-list li{position:relative;padding:7px 0 7px 26px;font-size:14px;color:#d5ddf5}
.p-list li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.p-card .btn{width:100%}
.faq{max-width:840px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:14px;overflow:hidden;transition:border-color .3s}
.faq details[open]{border-color:rgba(79,124,255,.5)}
.faq summary{list-style:none;padding:20px 24px;cursor:pointer;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--c2);transition:.3s;flex:none;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px;color:var(--muted)}
.faq-a ol{margin-left:20px}
.faq-a li{margin:7px 0}
.t-card{background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;gap:14px}
.t-stars{color:var(--warn);letter-spacing:3px;font-size:15px}
.t-text{color:#d5ddf5;font-size:14px;flex:1}
.t-who{display:flex;align-items:center;gap:12px}
.t-ava{width:44px;height:44px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:17px;flex:none}
.t-who b{display:block;font-size:14px}
.t-who span{font-size:12px;color:var(--muted)}
.news-card{display:flex;flex-direction:column;background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.news-card:hover{transform:translateY(-6px);border-color:rgba(79,124,255,.55);box-shadow:0 18px 44px rgba(0,0,0,.42)}
.news-card .nc-img{aspect-ratio:16/9;overflow:hidden}
.news-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover img{transform:scale(1.06)}
.nc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.nc-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.tag-chip{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(0,212,255,.12);color:#7ee8ff;border:1px solid rgba(0,212,255,.3)}
.news-card h3{font-size:17px;line-height:1.5}
.news-card h3 a:hover{color:var(--c2)}
.news-card .nc-ex{color:var(--muted);font-size:13px;flex:1}
.nc-more{font-size:13px;color:var(--c2);font-weight:700}
.cta{text-align:center;background:radial-gradient(620px 300px at 50% 0%,rgba(0,212,255,.16),transparent 70%),linear-gradient(160deg,#0e1a3a,#0a1230);border:1px solid var(--line);border-radius:24px;padding:72px 30px}
.cta h2{font-size:32px;margin-bottom:14px}
.cta p{color:var(--muted);max-width:560px;margin:0 auto 30px}
.footer{background:#060b1c;border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.f-brand p{color:var(--muted);font-size:13px;margin-top:14px;max-width:300px}
.f-col h3{font-size:15px;margin-bottom:16px;color:#fff}
.f-col a{display:block;color:var(--muted);margin:9px 0;font-size:14px;transition:color .2s}
.f-col a:hover{color:var(--c2)}
.footer-bar{text-align:center;color:#5c6c9c;font-size:13px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line)}
.page-hero{padding:calc(var(--nav-h) + 56px) 0 48px;text-align:center;background:radial-gradient(760px 380px at 50% -20%,rgba(79,124,255,.18),transparent 65%)}
.page-hero h1{font-size:36px;margin:16px 0 10px}
.page-hero p{color:var(--muted);max-width:620px;margin:0 auto}
.crumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.crumb a:hover{color:var(--c2)}
.crumb i{font-style:normal;opacity:.5}
.dl-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dl-hero-grid .lead{color:var(--muted);font-size:17px;max-width:540px}
.dl-hero-grid .hero-stats{margin-top:36px}
.dl-hero-grid h1{font-size:42px;line-height:1.25;margin:20px 0 18px}
.ver-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ver-card{background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);padding:26px;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}
.ver-card:hover{transform:translateY(-5px);border-color:rgba(79,124,255,.55)}
.ver-ico{font-size:30px;margin-bottom:12px}
.ver-card h3{font-size:17px}
.ver-card .v-tag{font-size:12px;color:#9db9ff;margin:6px 0 14px}
.ver-card .v-size{font-size:13px;color:var(--muted);margin-bottom:12px}
.ver-list{margin:0 0 20px;flex:1}
.ver-list li{position:relative;padding:5px 0 5px 20px;font-size:13px;color:#d5ddf5}
.ver-list li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.ver-card .btn{width:100%;padding:11px}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.req-card{background:linear-gradient(160deg,#101c40,#0b1430);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.req-card h3{font-size:16px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.req-card p{color:var(--muted);font-size:14px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:36px;align-items:start}
.article{background:linear-gradient(170deg,#101c40,#0a1230);border:1px solid var(--line);border-radius:20px;padding:44px;min-width:0}
.article .a-head{text-align:left;margin-bottom:26px}
.article h1{font-size:30px;line-height:1.4;margin:14px 0 16px}
.a-meta{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.a-cover{border-radius:14px;overflow:hidden;margin-bottom:8px}
.a-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.a-cap{color:var(--muted);font-size:12px;text-align:center;margin-bottom:26px}
.article p{color:#d5ddf5;margin-bottom:18px;font-size:15px;text-align:justify}
.article .lead-p{font-size:16px;color:#eaf0ff}
.article h2{font-size:22px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c2);scroll-margin-top:calc(var(--nav-h) + 20px);line-height:1.4}
.article figure{margin:26px 0}
.article figure img{width:100%;border-radius:14px}
.article figcaption{color:var(--muted);font-size:12px;text-align:center;margin-top:10px}
.article blockquote{background:rgba(79,124,255,.08);border-left:3px solid var(--c2);border-radius:10px;padding:16px 20px;margin:22px 0;color:#c9d6f5;font-size:15px}
.article blockquote b{display:block;margin-top:8px;font-size:13px;color:#9db9ff;font-weight:600}
.article .a-end{background:rgba(0,212,255,.06);border:1px dashed rgba(0,212,255,.35);border-radius:14px;padding:20px 24px;margin-top:30px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.article .a-end p{flex:1;margin:0;font-size:14px;min-width:220px}
.cmt-box{margin-top:40px;border-top:1px solid var(--line);padding-top:28px}
.cmt-box h2{font-size:20px;margin:0 0 20px;padding:0;border:0}
.cmt{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--line)}
.cmt:last-child{border-bottom:0}
.c-ava{width:40px;height:40px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-weight:800;font-size:15px;flex:none}
.c-body b{font-size:14px}
.c-body .c-date{font-size:12px;color:var(--muted);margin-left:8px}
.c-body p{font-size:14px;color:#d5ddf5;margin:6px 0 0}
.pn{display:flex;gap:14px;margin-top:30px}
.pn a{flex:1;padding:16px 20px;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:14px;transition:.25s}
.pn a:hover{border-color:var(--c2);color:var(--c2)}
.pn .pn-next{text-align:right}
.rel{margin-top:44px}
.rel h2{font-size:20px;margin-bottom:18px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--card);transition:transform .3s,border-color .3s}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(79,124,255,.55)}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rel-card span{display:block;padding:12px 14px;font-size:13px;color:#d5ddf5;line-height:1.5}
.back-list{display:inline-block;margin-top:30px;color:var(--c2);font-size:14px;font-weight:700}
.side{position:sticky;top:calc(var(--nav-h) + 20px)}
.s-card{background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(10,20,50,.28);padding:22px;margin-bottom:22px}
.s-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#16224e;margin-bottom:14px}
.s-title::before{content:"";width:4px;height:18px;background:var(--grad);border-radius:2px;flex:none}
.toc{position:relative}
.toc::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:#e3e9f8}
.toc a{display:flex;gap:12px;align-items:center;padding:7px 0;color:#5a6b9c;font-size:14px;position:relative;transition:color .25s}
.toc a::before{content:"";width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid #c6d2f0;flex:none;transition:.25s}
.toc a:hover{color:var(--c1)}
.toc a.active{color:var(--c1);font-weight:800}
.toc a.active::before{border-color:var(--c1);background:var(--c1);box-shadow:0 0 0 4px rgba(79,124,255,.15)}
.hot a{display:flex;gap:12px;align-items:center;padding:9px 0;border-bottom:1px dashed #e6ecf9;color:#44538c;font-size:14px;transition:.25s}
.hot li:last-child a{border-bottom:0}
.hot a:hover{color:var(--c1)}
.rank{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#fff;background:#aab6d8;flex:none;transition:transform .25s}
.hot a:hover .rank{transform:scale(1.15)}
.hot li:nth-child(1) .rank{background:var(--grad)}
.hot li:nth-child(2) .rank{background:linear-gradient(135deg,#ff8a3d,#ffb84d)}
.hot li:nth-child(3) .rank{background:linear-gradient(135deg,#ffc53d,#ff8a3d)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags a{padding:5px 13px;border-radius:999px;background:#eef3ff;color:#44538c;font-size:13px;border:1px solid transparent;transition:.25s}
.tags a:hover{color:var(--c1);border-color:var(--c1);background:#fff}
.news-list-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.map-links{max-width:860px;margin:0 auto}
.map-group{margin-bottom:34px}
.map-group h2{font-size:19px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.map-group h2::before{content:"";width:4px;height:18px;background:var(--grad);border-radius:2px}
.map-group ul{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.map-group a{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:13px 18px;color:#d5ddf5;transition:.25s;font-size:14px}
.map-group a:hover{border-color:var(--c2);color:var(--c2)}
.nf{min-height:76vh;display:grid;place-items:center;text-align:center;padding:100px 20px}
.nf .big{font-size:120px;font-weight:800;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.nf h1{font-size:26px;margin:18px 0 12px}
.nf p{color:var(--muted);margin-bottom:30px}
.reveal{transition:opacity .7s ease,transform .7s ease}
html.js .reveal{opacity:0;transform:translateY(26px)}
html.js .reveal.in{opacity:1;transform:none}
@media (max-width:992px){
.nav-burger{display:flex}
.nav-menu{position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:rgba(7,12,30,.98);flex-direction:column;align-items:stretch;gap:2px;padding:18px 20px 44px;overflow-y:auto;display:none;margin:0}
.nav-toggle:checked~.nav-menu{display:flex}
.nav-menu>li>a,.dd-label{padding:13px 16px;font-size:16px;border-radius:12px}
.dd-menu{position:static;transform:none;min-width:0;background:transparent;box-shadow:none;opacity:1;visibility:visible;display:none;padding:2px 0 6px 16px}
.dd-toggle:checked~.dd-menu{display:block}
.dd:hover>.dd-menu{opacity:1;visibility:visible}
.dd-menu a{color:#c9d6f5;background:rgba(255,255,255,.05);margin:3px 0}
.nav-cta{margin-top:14px}
.nav-cta .btn{width:100%;padding:15px}
.hero-grid,.dl-hero-grid{grid-template-columns:1fr;gap:44px}
.hero h1{font-size:38px}
.dl-hero-grid h1{font-size:36px}
.g3,.g4{grid-template-columns:repeat(2,1fr)}
.nodes-grid{grid-template-columns:repeat(2,1fr)}
.ver-grid{grid-template-columns:repeat(2,1fr)}
.req-grid{grid-template-columns:repeat(2,1fr)}
.price{grid-template-columns:1fr;max-width:420px}
.p-card.hot{transform:none;order:-1}
.steps{grid-template-columns:1fr;max-width:460px;margin:0 auto}
.article-layout{grid-template-columns:1fr}
.side{position:static}
.rel-grid{grid-template-columns:1fr}
.article{padding:30px 24px}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
.sec{padding:62px 0}
.sec-title{font-size:28px}
.hero h1{font-size:31px}
.dl-hero-grid h1{font-size:29px}
.hero .lead,.dl-hero-grid .lead{font-size:16px}
.g2,.g3,.g4,.nodes-grid,.ver-grid,.req-grid{grid-template-columns:1fr}
.news-list-grid{grid-template-columns:1fr}
.map-group ul{grid-template-columns:1fr}
.stat{padding:0 18px}
.stat b{font-size:24px}
.speed-panel{padding:26px 20px}
.article h1{font-size:24px}
.article h2{font-size:19px}
.pn{flex-direction:column}
}
@media (max-width:480px){
.hero{padding-top:calc(var(--nav-h) + 48px)}
.hero h1{font-size:27px}
.btn-lg{width:100%;justify-content:center}
.hero-actions .btn{flex:1;min-width:160px}
.stat{width:50%;padding:10px 0}
.stat+.stat{border-left:0}
.stat:nth-child(even){border-left:1px solid var(--line)}
.hero-stats{margin-top:28px}
.demo-body{padding:16px}
.demo-nodes{grid-template-columns:1fr}
.cta{padding:52px 20px}
.cta h2{font-size:24px}
.footer-grid{grid-template-columns:1fr}
.article{padding:22px 18px}
.gauge{width:150px;height:150px}
.gauge-val{font-size:30px}
}